Progress in just a few years people would have thought impossible.

They talked to me most of the night and I learned a great deal about things I'd thought impossible.

A while ago it would have been thought impossible for a man to travel through the air.

"I've known him to pull off what others thought impossible."

But instead you act just the way a person should when up against something that's been thought impossible.

He loved nothing more than doing something that everybody else thought impossible.

Thus she had become a machine, me one form others thought impossible for her.

It was much worse than Washington in the summer- something he'd thought impossible.

He felt himself begin to go numb, found thinking impossible.

Now she wants to achieve what some might think impossible: turning back the clock.